#!/usr/bin/env python3
# -*- coding: utf-8 -*-

######################### 文档测试 #########################

class MyDict(dict):
	'''
	Simple dict but also support access as x.y style.

	>>> d1 = MyDict()
	>>> d1['x'] = 100
	>>> d1.x
	100
	>>> d1.y = 200
	>>> d1['y']
	200
	>>> d2 = MyDict(a = 1, b = 2, c = '3')
	>>> d2.c
	'3'
	>>> d2['empty']
	Traceback (most recent call last):
		...
	KeyError: 'empty'
	>>> d2.empty
	Traceback (most recent call last):
		...
	AttributeError: 'Dict' object has no attribute 'empty'
	'''
	def __init__(self, **kw):
		super().__init__(**kw)

	def __getattr__(self, key):
		try:
			return self[key]
		except KeyError:
			raise AttributeError(r"'Dict' object has no attribute '%s'" % key)

	def __setattr__(self, key, value):
		self[key] = value


if __name__ == '__main__':
	import doctest
	doctest.testmod()